Navigational warnings on 2016-08-21

UTC day · today

issued
23
cancelled
68
in force at end
452
of these still in force
0

What this reporting period contains

23 messages have issue dates in this period, and 68 have cancellation dates in it. A cancellation can close a message issued earlier; subtracting these totals does not give a count of new incidents.

Other accounts for 5 of 23 recorded messages (22%), the largest category group in this selection.

HYDROPAC accounts for 11 of 23 recorded messages (48%), the largest source series group in this selection.

Separate updates to the same activity count as separate messages. The original records below show what was reported and when.

Issued · by type

Other5
Cable ops4
Incidents4
Exercises3
Icebergs2
Nav aids2
Derelicts1
Quakes1
Missiles1

Issued · by sea

North Pacific Ocean5
South Atlantic Ocean2
Labrador Sea1
Irish Sea and St. George's Channel1
Celtic Sea1
North Atlantic Ocean1
Coral Sea1
North Sea1

HYDROPAC 11 · HYDROLANT 4 · NAVAREA IV 3 · NAVAREA XII 2 · HYDROARC 2 · USGS earthquakes 1

Issued · 23

Cancelled · 68

Not for navigation. Counts include only warnings we display; ongoing search-and-rescue traffic is excluded until 30 days after it closes.

Navigational warnings on 2016-08-21 · seahazards